I used the PF0 port by mistake and there is no pull-up. Then the microcontroller is locked and I cannot write new programs. The debug prompt says Error connecting to the target, but the previous progr...
Phenomenon: The serial port only opens the receive interrupt. Once the data is received, it will always be in the serial port interrupt and other programs cannot be executed.I searched online and foun...
I saw Shaolin said that ftk is only suitable for consumer electronics. I want to ask why he came to this conclusion? Putting aside the resources, if I use it on an industrial control board (such as AT...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:48[/i]1. Pay attention to competition disciplines首先一定要仔细阅读官网上有关竞赛的相关规定,违反了规定是要取消竞赛资格的。竞赛采用全国统一命题、分赛区组织的方式,竞赛采用“半封闭、相对集中”的组织方式进行。参赛者必须是有正式学籍的全...
Abstract This paper combines the design of infrared communication in the bank's electronic interest rate display screen and introduces the hardware design method and software processing technology of ...
Most of the IO pins of STM32 have multiplexing functions. For example, the PA8/USART1_CK/TIM1_CH1/MCO pin, according to the data, its actual function is configured through the GPIOA_CRH register, and ...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]